Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
Massachusetts Coop '68M-D&Dz121.9 m above ground0.80 km8,703 km
ProvidenceM/R-D121.9 m 10.00 km531 km
Offshore East CoastM-D457.2 m (barometer)3.20 km37,658 km
Offshore E. Coast Tie LinesM-D300 m (barometer)-9999.00 km185,000 km